Finding the Fourth Proportional to 2,134,114.02, 2,945,074.14 and 1,275,177.06
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Solution
The fourth proportional to 2,134,114.02, 2,945,074.14 and 1,275,177.06 is: 1,759,742.43
Step by Step Solution
- Step 1: Write the proportion equation
2,134,114.02 : 2,945,074.14 = 1,275,177.06 : x - Step 2: Convert to fraction form
2,134,114.02/2,945,074.14 = 1,275,177.06/x - Step 3: Cross multiply
2,134,114.02x = 2,945,074.14 × 1,275,177.06 - Step 4: Simplify right side
2,134,114.02x = 3,755,490,983,327.23 - Step 5: Solve for x
x = 3,755,490,983,327.23/2,134,114.02 - Step 6: Final answer
x = 1,759,742.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.